1JYV
E. COLI (lacZ) BETA-GALACTOSIDASE (E537Q) IN COMPLEX WITH ONPG
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D (A, B, C, D) | Beta-Galactosidase | polymer | 1023 | 116505.3 | 4 | UniProt (P00722) Pfam (PF02837) Pfam (PF00703) Pfam (PF02836) Pfam (PF16353) Pfam (PF02929) | Escherichia coli | LACTASE; lacZ; beta-d-galactosidase |
| 2 | AC, BC, CC, E, F... (C, A, D, B) | MAGNESIUM ION | non-polymer | 24.3 | 17 | Chemie (MG) PubChem (888) | |||
| 3 | DC, EC, FC, GC, J... (C, A, D, B) | SODIUM ION | non-polymer | 23.0 | 16 | Chemie (NA) PubChem (923) | |||
| 4 | HC, IC, N, O, SD... (C, A, D, B) | 2-nitrophenyl beta-D-galactopyranoside | non-polymer | 301.2 | 8 | Chemie (145) PubChem (18599443) PubChem (22660032) PubChem (22850352) PubChem (24802391) PubChem (40469235) PubChem (40469236) PubChem (42559830) PubChem (92941) PubChem (96647) PubChem (123646) PubChem (54014803) PubChem (42559829) PubChem (59907631) PubChem (70993954) PubChem (706476) PubChem (726321) PubChem (904534) PubChem (1258888) PubChem (66509221) PubChem (2783864) PubChem (219973) PubChem (735951) PubChem (904535) PubChem (91121528) PubChem (92211304) PubChem (7568745) PubChem (6409806) PubChem (7018163) PubChem (7067541) PubChem (7165513) PubChem (7568738) PubChem (7568741) PubChem (7568749) PubChem (12001976) PubChem (13844146) PubChem (13844147) PubChem (138542927) | |||
| 5 | AA, AB, AD, AE, BA... (A, B, C, D) | DIMETHYL SULFOXIDE | non-polymer | 78.1 | 107 | Chemie (DMS) PubChem (679) | |||
| 6 | WE, XE, YE, ZE (A, B, C, D) | water | water | 18.0 | 4081 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 1 - 1023 (UniProt: P00722)
| PDB | External Database | Details |
|---|---|---|
| Gly 1 | Thr 1 | cloning artifact |
| Ser 2 | Met 2 | cloning artifact |
| His 3 | Ile 3 | cloning artifact |
| Met 4 | Thr 4 | cloning artifact |
| Leu 5 | Asp 5 | cloning artifact |
| Glu 6 | Ser 6 | cloning artifact |
| Asp 7 | Leu 7 | cloning artifact |
| Pro 8 | Ala 8 | cloning artifact |
| Gln 537 | Glu 537 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 466021.1 | |
| Non-Polymers* | Number of molecules | 148 |
| Total formula weight | 11551.2 | |
| All* | Total formula weight | 477572.4 |
